{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3011",
    "entityType": "User",
    "nonce": "0x96cf9990eacc9a7c21a585a2da998970ec2e6fdd8582ae282fe3bc9ae7d8f1fe",
    "signature": "0xa2ecc22aee9dcde35b07a0db2ae62f0445d5b82f5d14bf19c0aec5dea68f795e212b2a487d3d4db3d81941348fcaf67990e161a0b75df815de0679f73f049c0b1c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}